• City apology as defender is cut above eye • Police arrest fan for running on to pitchManchester City issued a "wholehearted apology" to Rio Ferdinand after the defender was struck by a coin thrown from the crowd when celebrating Robin van Persie's late winning goal in the Manchester derby.The Football Association announced it would investigate the incident, which came at the end of a tumultuous match in which a City fan was arrested after running on to the pitch following the Dutchman's injury-time winner and was intercepted by Joe Hart as he appeared to try and reach Ferdinand. Greater Manchester Police (GMP) also stated that another supporter was detained for a potential racism offence and that they are investigating alleged racist tweets.United's 3-2 win ended the champions' 37-game unbeaten league record at home, and also handed the...